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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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    • Popular Manufacturers
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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Ductile/Cast Iron
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  • max-min-stainless-stainlessperf

    TDS™ 3" Gray MAX Mini w/Perforated HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Perforated HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $484.60 USD
    Regular price Sale price From $484.60 USD
    Unit price /  per 
  • M100K-GN100KCC Reinforced Galvanized Steel grate polymer concrete galv edge ULMA channel

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    Regular price From $285.13 USD
    Regular price Sale price From $285.13 USD
    Unit price /  per 
  • NDS500-BA-BARS-B Bronze Age Brushed Bronze Bars Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    Regular price From $209.94 USD
    Regular price Sale price From $209.94 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Carbochon Raw Cast Iron

    ULMA HYDROPLUS w/ Class B Iron Age CAA5-20I21 / IA-CARB-0520 Carbochon Raw Cast Iron Grate

    ULMA HYDROPLUS w/ Class B Iron Age CAA5-20I21 / IA-CARB-0520 Carbochon Raw Cast Iron Grate

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Oblio Raw Cast Iron

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio Raw Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • M100KX Polymer concrete linear channel with stainless steel edge with 495 grey poly grates

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    Regular price From $377.15 USD
    Regular price Sale price From $377.15 USD
    Unit price /  per 
  • ULMA HYDROPLUS with Iron Age Janis Raw Cast Iron Grate

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • Hydro Plus with 440 IP100KCA Stainless Steel Perforated Grate Class A

    ULMA HYDROPLUS with 440 / IP100KCA Stainless Steel Perforated Grate Class A

    ULMA HYDROPLUS with 440 / IP100KCA Stainless Steel Perforated Grate Class A

    Regular price From $246.10 USD
    Regular price Sale price From $246.10 USD
    Unit price /  per 
  • POLYCAST 500 DG0640 Galvanized edge

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    Regular price From $334.46 USD
    Regular price Sale price From $334.46 USD
    Unit price /  per 
  • 14" Fiberglass Kit w/ Mesh Grate and WYE Frame - Load Class A

    14" Fiberglass Kit w/ Mesh Grate and WYE Frame - Load Class A

    14" Fiberglass Kit w/ Mesh Grate and WYE Frame - Load Class A

    Regular price From $531.29 USD
    Regular price Sale price From $531.29 USD
    Unit price /  per 
  • FGK-HLC-EZ-08 Fiberglass Mesh Grate with EZ Frame

    8" Fiberglass Kit w/ HLC Grate and EZ Frame - Load Class C

    8" Fiberglass Kit w/ HLC Grate and EZ Frame - Load Class C

    Regular price From $527.51 USD
    Regular price Sale price From $527.51 USD
    Unit price /  per 
  • MCKS-BA-cath-0336 Sand Mini Channel with Cathedral Stainless Steel Grates

    3" Sand NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    3" Sand NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class BULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    Regular price From $442.30 USD
    Regular price Sale price From $442.30 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    Regular price From $351.55 USD
    Regular price Sale price From $351.55 USD
    Unit price /  per 
  • FGK-T1215-EZ-15 Fiberglass T-Bar grate with EZ frame

    15" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    15" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

    Regular price From $542.74 USD
    Regular price Sale price From $542.74 USD
    Unit price /  per 
  • MCKS-BA-SLOT-0336 Sand Mini Channel with Transverse Slotted Stainless Steel Grates

    NDS 3" Sand Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    NDS 3" Sand Mini Channel Kit with TDS Slotted Heel Proof Grate - 316L Stainless

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 USD
    Unit price /  per 
  • 12in Micro Mesh WYE Frame

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    Regular price From $577.78 USD
    Regular price Sale price From $577.78 USD
    Unit price /  per 
  • FGK-I4015-EZ-12 fiberglass I-Bar grate with EZ frame

    12" Fiberglass Kit w/ I-Bar Grate and EZ Frame - Load Class C

    12" Fiberglass Kit w/ I-Bar Grate and EZ Frame - Load Class C

    Regular price From $590.13 USD
    Regular price Sale price From $590.13 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate

    Regular price From $292.07 USD
    Regular price Sale price From $292.07 USD
    Unit price /  per 
  • PCK7-DG0692 Polycast 700 Channel with Ductile Iron Frame and DG0692 Patriot Grate

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & HDPE Frame

    Regular price From $342.20 USD
    Regular price Sale price From $342.20 USD
    Unit price /  per 
  • 12in Micro Mesh EZ Frame

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and EZ Frame - Load Class A

    12" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and EZ Frame - Load Class A

    Regular price From $552.58 USD
    Regular price Sale price From $552.58 USD
    Unit price /  per 
  • 10in Micro Mesh-WYE Frame

    10" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    10" Fiberglass Kit w/ Micro Mesh ADA Compliant Grate and WYE Frame - Load Class A

    Regular price From $544.19 USD
    Regular price Sale price From $544.19 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

    TDS® 3" Gray Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    Regular price From $284.79 USD
    Regular price Sale price From $284.79 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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